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प्रश्न
Mention where in the human body is the following located and state its main function:
Central canal
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उत्तर
The central canal connects the spinal cord and brain chambers. It contains cerebrospinal fluid, which acts as a shock absorber and facilitates material exchange between neurons.
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संबंधित प्रश्न
Describe T.S. of the spinal cord.
Where is this located?
Meninges
Give Technical Term:
The brain and spinal cord together constitute the system known as.
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?
Mention, if the following statement is True or False
Spinal nerves are twelve pair
Sketch and label T. S. of Spinal cord.
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Spinal cord is enclosed in ____________ of vertebral column.
______ connects the brain to a different part of the body through nerves.
